By Bernard Liengme
Thoroughly up to date advisor for scientists, engineers and scholars who are looking to use Microsoft Excel 2007 to its complete capability. digital spreadsheet research has develop into a part of the typical paintings of researchers in all components of engineering and technology. Microsoft Excel, because the commonplace spreadsheet, has a number clinical capabilities that may be applied for the modeling, research and presentation of quantitative info. this article offers a simple consultant to utilizing those features of Microsoft Excel, guiding the reader from simple ideas via to extra advanced parts corresponding to formulae, charts, curve-fitting, equation fixing, integration, macros, statistical services, and providing quantitative information. Key positive aspects: * content material written particularly for the necessities of technology and engineering scholars and execs operating with Microsoft Excel, introduced absolutely modern with the hot Microsoft workplace unencumber of Excel 2007. * positive factors of Excel 2007 are illustrated via a wide selection of examples dependent in technical contexts, demonstrating using this system for research and presentation of experimental effects. * up-to-date with new examples, challenge units, and purposes. New web site with info units, downloadable spreadsheets and different invaluable assets.
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Error values: If a syntax rule is not followed, the formula will return an error value. If Al0 holds a nonnumber, then =SQRT(Al) cannot give a valid result, so it returns an error val ue (in this case #VALUEl). The error values are: #DIVjO! #NAME? #NjA #NULL! Division by zero. This would be the result, for example, of=AljBl ifBl hadazero value. Note that a blank cell is treated as having a zero value when used in a numeric context like this. This results when a formula contains an undefined variable or function name.
C) Go to Home I Number and change General in the top box to Number and then use the Increase Decimal tool to have four decimal places showing. (d) Select A2:El0 and use the shortcut [Ctrll+C to copy; move to A12 an d use ICtrll+Vto paste. (e) Change A12 to read Degrees. Replace the formulas in A13:A20 by the values 45, 90,... 360. Edit the formulas in B13:E13 to read =SIN(RADIANS(A13». =DE6REES(813). =COS(RADIANS(A13), and =DE6REES(ACOS(D13», respectively. Copy B13:E 13 down to row 20. (f) Save the workbook 54 A Guide to Microsoft Excel 2007 for Scientists and Engineers Compare the two tables and ensure you understand the use ofthe functions PI, RADIANS, and DEGREES.
EVEN Rounds a number to the nearest even integer. 25) returns 4. FLOOR Rounds a number down (toward zero) to the nearest multiple of significance; cf. CEILING. 0. INT Rounds a number down to the nearest integer; d. TRUNC. 6) returns - 6. MROUND Returns a number rounded to the required multiple. 89,4) returns 8. ODD Rounds a number to the nearest odd integer. 25) returns 5. Using Functions 55 ROUND Rounds a number to the required number of places. 56,0) returns 124 (nearest integer) ROUNDDOWN Behaves similarly to ROUND but always rounds down.